Most antivirus programs identify HostOE.dll as malware—e.g. Microsoft identifies it as Adware:Win32/Hotbar, and Kaspersky identifies it as not-a-virus:AdWare.Win32.HotBar.ck.
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Description: HostOE.dll is not essential for Windows and will often cause problems. The file HostOE.dll is located in a subfolder of "C:\Program Files".
The file size on Windows 10/8/7/XP is 140,552 bytes.
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program is not visible. The file is a Verisign signed file. The HostOE.dll file is certified by a trustworthy company. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. It is not a Windows core file. There is no description of the program. HostOE.dll is able to record keyboard and mouse inputs. Therefore the technical security rating is 50% dangerous.
Recommended: Identify HostOE.dll related errors
Important: You should check the HostOE.dll process on your PC to see if it is a threat. If Zango has changed your browser's search engine and start page, you can recover your browser's default settings as follows:Reset default browser settings for Internet-Explorer ▾
The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active HostOE process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the HostOE.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.
A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.